Meet The FBS Team

Frans Bosch

FBS Founder / Course Leader

Frans Bosch earned a degree in Physical Education in 1977. Since 1980 he worked in athletics, coaching elite sprinters and Olympic high jumpers and for some years as the national coach for jumping events. Since 2005 Bosch teaches at the Fontys University for applied sciences in sports, mainly in the field of anatomy, biomechanics, strength training and motor learning.

Frans Bosch has given numerous presentations on training related topics all over the world and frequently works internationally as a consultant in sport and as conference speaker on training related subjects. Clients in recent years are the English Institute of Sports, Wales National Team Rugby the British & Irish Lions, Japan National Team Rugby, England cricket, West ham United football and clubs in the NBA, MLB and NFL.

Together with Ronald Klomp he wrote ‘”Running, biomechanics and exercise physiology applied in practice”, published in the Netherlands in 2001 and translated in English in 2005.

“Strength training and coordination, an integrated approach”, is published in the Netherlands in 2012. This book was completely revised in 2015 and subsequently translated into English, French, Korean, Japanese and Chinese.

His most recent work, “Anatomy of Agility” is basically about movement analysis in sport and is published in 2019.

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Teun Thomassen

FBS Director / Course Leader

Teun Thomassen MSc. worked for over a decade as an athletic development coach for the Dutch Olympic Committee, working at national and Olympic Training Centre Papendal in The Netherlands. He has coached and prepared several European champions, World champions and medal winning athletes and sport teams in the run-up to the Olympic and Paralympic Games in Rio de Janeiro 2016 and Tokyo 2021. Track & Field (100m, 200m, 400m and relay), volleyball, rugby and badminton are a few of the sports he has coached daily at the highest level.  

Being a sports fanatic his whole life, Teun was determined to persue a career in professional sports. He started coaching at age 16 and studied for over 9 years in the field of sports- and human movement sciences. 

He had his first elite-level coaching experience at the New South Wales Institute of Sports in Sydney. It was during this period that he met Frans Bosch, who was lecturing at his university. Teun and Frans have been working together ever since. After graduating cum laude from university with a Bachelor’s - and few years later with a Master’s degree, he started to work full time in professional sports. 

During the past 12 years, Teun continued his education in specializing in the field of movement analysis, injury prevention and the practical application of modern ideas of motor control and learning into training. In this role, he provides courses, presentations and consultancy for sports professionals, clubs and universities all over the world. For instance, he assisted Frans Bosch during the preparation of the Japanese national rugby team for the 2015 World Cup, in which South Africa was defeated.

Teun can be followed on Instagram @teun.thomassen.


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John Pryor

Course Expert

John, better known as JP in sporting circles, has operated at the international level in sport for 20 years. Previously the strength and conditioning coordinator for the Japan Rugby Union (2012-2015), JP has earned international acclaim through the use of innovative training methodologies derived from a deep devotion to biomechanical, physiological and motor learning research.

Not one to rest on research alone, JP has always tried to put any ideas into practise himself, and with his small group of “experimental athletes”. The methods that work then move forward to his serious teams.

A graduate of Southern Cross University with a Master of Health Science in biomechanics, JP has excelled at the highest levels of international rugby and has played a key role in the success of Japan’s National Team.

In no other circumstance was the importance of training specificity more readily apparent than in World Cup competition when Japan upset the Springboks of South Africa, as players, coaches and observers all credited the fitness of Japan’s National Team as central to its success. Japan’s victory is widely regarded as the greatest upset in the history of rugby, with JP developing a unique and highly specialized approach to rugby training in advance of the competition.

Before taking on his responsibilities with the Japan Rugby Union, JP also worked as a strength and conditioning coach with the Australian Rugby Union. He has been full time at the Brumbies, the Waratahs and the Wallabies as a strength and speed specialist.

In Japan, JP was also the Head of Athletic performance for Suntory Sungoliath with coach Eddie Jones. This period included multiple Japan and Top League championships and an unprecedented period of success.

Most recently, JP has joined Fiji Rugby as the Head of Strength and Conditioning, preparing the team for the 2019 Rugby World Cup. JP is a faculty member at GAIN, and is an accomplished and engaging international presenter.

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Martijn Nijhoff

Course Expert

As a player, Martijn Nijhoff was active in the Dutch first division (Hoofdklasse) for nine years. After the end of his playing career and with his degree in sports science, he started his coaching career. Be it softball, baseball, schools, camps or baseball clinics, Nijhoff has a wealth of experience in various areas of talent coaching and development. In 2005 he was appointed pitching coordinator at the Rotterdam Unicorns Baseball Academy and a year later co-founded the Bixie Baseball Academy. From 2008 to 2010 he was head coach of PSV Rotterdam in the Dutch second division and was subsequently appointed coordinator of all Dutch academies.

In 2010 he began studying and practicing with the subject of motor learning. In this area he works closely with Frans Bosch, in order to optimize the training methods in Dutch baseball. With this knowledge he is currently also working as a coordinator of skill acquisition for the Pittsburgh Pirates (MLB) and as a consultant for the Dutch Olympic Committee since 2016. Of Nijhoff's protégés, 12 players have been signed by MLB teams and 21 others have made the leap to US universities.

Martijn has been running the Dutch Olympic Baseball high performance centre for the last 5 years. At the same time Martijn is lecturing motor learning and performance at the Fontys University of applied science.

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Leigh Egger

Course Expert

Leigh is a physiotherapist and performance coach coming from Sydney, Australia. Currently based in Rotterdam he is the joint Head of Performance for Feyenoord Rotterdam football club in the Dutch top flight. Leigh also consults for various teams and individuals from different sports in the area of injury prevention, rehabilitation and athletic performance.

He is one of the co-founders of SpeedPowerPlay with John Pryor and has been involved in Frans Bosch Systems since its inception, working closely with Frans for many years now. Through both of these organizations Leigh has delivered seminars, services and consultations to many high profile groups.

Leigh's combination of expertise in athletic performance and sports rehabilitation, as well as playing experience in football offers a unique perspective on how to blend these areas and work as efficiently as possible in the high pressures of professional sports.

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Jan Müller

Course Expert

Jan Müller has a background in Physiotherapy and currently works for Football club Feyenoord Rotterdam. He graduated from Fontys University for applied sciences in 2018. Jan met Frans Bosch in 2017 and has been applying his methods in practice ever since. At Feyenoord he works mainly at the academy as a rehab trainer and performance coach. His tasks involve: movement analysis, player development and long term rehab. You may also recognise him from the videos on the FBS exercise app where he works very closely with Teun Thomassen. Jan previously played football for Fortuna Sittard up until the under 21’s. After that he played rugby for a while and became Dutch champion in rugby 7’s.

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Harry Simington

Marketing & Operations / Course Expert

Harry Simington is an athletic performance coach based in Melbourne, Australia. He currently works as a private consultant for individual athletes of all sports, ranging from junior-elite tennis players to national basketballers, professional AFL players, and international cricketers. 

Like many coaches, Harry is a former athlete himself having competed in both the VFL & NEAFL competitions before a series of foot injures got the better of him at age 20. These injuries sparked an interest in human movement that quickly turned into a passion, and later a career in athletic development.

Harry first met Frans Bosch in 2019 (while he was still competing as an athlete) and has been learning from Frans, Teun and the FBS team ever since. Harry also designed the new FBS website, which lead to his current role with FBS as a marketing consultant and content creator. Harry is also the Founder and Director of Calibrate Sports.

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